Collision problems

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VFXABD
Posts: 6
Joined: Thu May 27, 2010 3:31 pm

Collision problems

Post by VFXABD » Thu May 27, 2010 4:52 pm

Hello,

Im doing some fluid tests interacting with softbodys.
But im having some troubles with collisions, the particles are colliding
with the softbody until at a sertain point when the energy of the object deformation turns back/bounce up, then the particles just go trough the object, i tried different parameters for collision distance, turned on autocollision,etc. with no help. Here's a quick test demonstrating the problem. I used a simple sphere with a shell modifier to give it some thickness. Any solution for this problem?

http://www.youtube.com/watch?v=hWz4TxHV50c


Please move this thread if posted in the wrong section.


thanks;

atena
Posts: 67
Joined: Wed Jun 13, 2007 2:21 pm

Collision problems

Post by atena » Thu May 27, 2010 9:13 pm

Unfortunately I couldn't see the video, the browser hangs forever when clicking on it. In any case it would be better if you could post the scene so we can have a look at it. Please don't forget to include any object files you might have referenced.

Thank you very much.
Ángel Tena
Next Limit Technologies
RealFlow lead developer

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ChristianZ
Posts: 3502
Joined: Sat Sep 09, 2006 11:37 am
Location: CH
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Collision problems

Post by ChristianZ » Thu May 27, 2010 10:00 pm

RF10.5 standard + RFC4D3, Mac&Windows

atena
Posts: 67
Joined: Wed Jun 13, 2007 2:21 pm

Collision problems

Post by atena » Fri May 28, 2010 1:53 pm

Thank you, finally I saw the video, can't say anything without having a look at the scene.
Ángel Tena
Next Limit Technologies
RealFlow lead developer

VFXABD
Posts: 6
Joined: Thu May 27, 2010 3:31 pm

Collision problems

Post by VFXABD » Fri May 28, 2010 2:13 pm

Ok here's the scene files,

http://rapidshare.com/files/392546177/Rbd.rar.html

thank you;

atena
Posts: 67
Joined: Wed Jun 13, 2007 2:21 pm

Collision problems

Post by atena » Mon May 31, 2010 11:28 am

Thank you very much for posting the scene. We are investigating the problem and I will post here again when we find the problem and the solution.

One thing that you could try If you don't mind is to increase the tessellation of your bag. My guts are telling me that could be the problem.

Again, thank you for reporting this problem.
Ángel Tena
Next Limit Technologies
RealFlow lead developer

atena
Posts: 67
Joined: Wed Jun 13, 2007 2:21 pm

Collision problems

Post by atena » Tue Jun 01, 2010 4:28 pm

This problem has been fixed (Bug #RF-45). Available in the next patch (coming out in July).
Ángel Tena
Next Limit Technologies
RealFlow lead developer

VFXABD
Posts: 6
Joined: Thu May 27, 2010 3:31 pm

Collision problems

Post by VFXABD » Wed Jun 09, 2010 12:04 pm

Thought so, even with denser mesh it doesnt work..

Thanks for the heads up;

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